CVE-2026-118750

waiting for further signalsZero needs more public information before it can validate it.

GHSA-6527-9fp8-r4x6 ↗EUVD-2026-122256 ↗

no check availablenot proven exploitable
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
nuget:Microsoft.AspNetCore.WebUtilities >= 2.3.0, <= 2.3.13
fixed in 2.3.14
CWE-770 Allocation of Resources Without Limits or Throttling
ETK-2026-4109Zero's internal tracking ID, independent of the CVE number., permanent identifier
pkg:nuget/Microsoft.AspNetCore.WebUtilities
7h 56msince last run
10mAI analysisAnalysis: how long the AI spent reversing this signal.
timeline
0 = trigger signal
trigger signal (cve.org) +0hwaiting for further signals+4h27m
0
+2h
+6h
+8h
+10h
+12h

description

Microsoft.AspNetCore.WebUtilities 2.3.0 through 2.3.13 can consume excessive memory while handling multipart form requests. An unauthenticated remote attacker may cause denial of service when an affected application exposes multipart-form request handling.

mitigation

Update Microsoft.AspNetCore.WebUtilities to 2.3.14 or later, then rebuild and redeploy affected applications. Verify that transitive dependencies, including those introduced through Microsoft.AspNetCore.Http, resolve to the patched version.

fixed in 2.3.14

check
no
exploit
no
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
contextual
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
10m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-11-10 18:21Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
–

outcome

Contextual, not validated: no deterministic check could cover this one, and no technique passed our review.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-11-10 18:21Z
  2. 2026-11-10 18:21Z

this entry in the feed

GET /api/v1/feed/CVE-2026-118750

{
  "etk_id": "ETK-2026-4109",
  "cve_id": "CVE-2026-118750",
  "display_id": "CVE-2026-118750",
  "ghsa_id": "GHSA-6527-9fp8-r4x6",
  "euvd_id": "EUVD-2026-122256",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Multipart request memory exhaustion in Microsoft.AspNetCore.WebUtilities",
  "summary": "Microsoft.AspNetCore.WebUtilities 2.3.0 through 2.3.13 can consume excessive memory while handling multipart form requests. An unauthenticated remote attacker may cause denial of service when an affected application exposes multipart-form request handling.",
  "mitigation": "Update Microsoft.AspNetCore.WebUtilities to 2.3.14 or later, then rebuild and redeploy affected applications. Verify that transitive dependencies, including those introduced through Microsoft.AspNetCore.Http, resolve to the patched version.",
  "vendor": "nuget",
  "product": "nuget:Microsoft.AspNetCore.WebUtilities",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.3.0, <= 2.3.13"
      ],
      "ecosystem": "nuget",
      "fixed_versions": [
        "2.3.14"
      ],
      "package_name": "Microsoft.AspNetCore.WebUtilities",
      "purl": "pkg:nuget/Microsoft.AspNetCore.WebUtilities"
    }
  ],
  "cwes": [
    770
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 9.6229862,
  "t0_at": "2026-11-10T18:21:53.594000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-10T18:21:53.594000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-10T18:21:53.594000+00:00",
      "url": "https://github.com/dotnet/aspnetcore/security/advisories/GHSA-6527-9fp8-r4x6"
    }
  }
}

published 2026-11-10 22:39Z
last change 2026-11-11 05:45Z

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